Home / 104,110.36-143,672.34-56,363.71

Finding the Fourth Proportional to 104,110.36, 143,672.34 and 56,363.71

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Solution

The fourth proportional to 104,110.36, 143,672.34 and 56,363.71 is: 77,781.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,110.36 : 143,672.34 = 56,363.71 : x
  2. Step 2: Convert to fraction form
    104,110.36/143,672.34 = 56,363.71/x
  3. Step 3: Cross multiply
    104,110.36x = 143,672.34 × 56,363.71
  4. Step 4: Simplify right side
    104,110.36x = 8,097,905,388.42
  5. Step 5: Solve for x
    x = 8,097,905,388.42/104,110.36
  6. Step 6: Final answer
    x = 77,781.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.